<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        localStorage.setItem('time', new Date())
        console.log(new Date(localStorage.getItem('time')))

        localStorage.setItem('obj', JSON.stringify({
            name: 'haha',
            age: 18
        }))

        localStorage.removeItem('time');
        //localStorage.clear()

        console.log('------------------------------')

        sessionStorage.setItem('time', new Date())
        console.log(new Date(localStorage.getItem('time')))
        sessionStorage.setItem('obj', JSON.stringify({
            name: 'haha',
            age: 18
        }))
        console.log(JSON.parse(sessionStorage.getItem('obj')))
    </script>
</body>

</html>